﻿using System;
using System.Text;
using System.Windows;
using System.Windows.Browser;
using System.Windows.Controls;
using ERDDiagram.helpers;

namespace ERDDiagram
{
    public partial class App : Application
    {

        public App()
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            this.RootVisual = new MainPage();


            HtmlPage.RegisterScriptableObject("mySLapp", this.RootVisual);
        }

        private void Application_Exit(object sender, EventArgs e)
        {

        }

        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached)
            {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                ChildWindow errorWin = new ErrorWindow(e.ExceptionObject.Message, ConvertToString(e.ExceptionObject) + ": Server Address - " + ClientScript.GetServerUrl());
                errorWin.Show();
            }
        }

        private string ConvertToString(Exception exception)
        {
            string prefix = "";

            StringBuilder sb = new StringBuilder();
            while (null != exception)
            {
                sb.Append(prefix);
                sb.AppendLine(exception.Message);
                sb.AppendLine(exception.StackTrace);

                prefix = "Inner Exception: ";
                exception = exception.InnerException;
            }

            return sb.ToString();
        }
    }
}
